from selenium import webdriver
import time

browser=webdriver.Chrome()
browser.get('https://www.taobao.com/')
input=browser.find_element_by_id('q')
input.send_keys('一加6')
time.sleep(3)
input.clear()
input.send_keys('QB')
btton=browser.find_element_by_class_name('btn-search')
btton.click()

